Subject: extra line in "unless" docstring?
From: [email-masked]
To: [email-masked]
Date: Mon, 08 Aug 2011 11:13:06 +0800
List-Id: <debbugs-submit.debbugs.gnu.org>

unless is a Lisp macro in `subr.el'.

(unless COND BODY...)

If COND yields nil, do BODY, else return nil. <--------what is this line doing here?
When COND yields nil, eval BODY forms sequentially and return
value of last one, or nil if there are none.